Use the form below to do your conversion.
Solution
Step1
Log21977=Log(977) ÷ Log(21)
Log(977)= 2.9898945637188
Log(21)=1.3222192947339
Log21977=2.9898945637188 ÷ 1.3222192947339
Ans=2.2612698026922
Step2
Alternatively, the logarithm can be calculated like this.